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- /*
- * disc.h
- *
- * Copyright (C) 1989, 1991, Craig E. Kolb
- * All rights reserved.
- *
- * This software may be freely copied, modified, and redistributed
- * provided that this copyright notice is preserved on all copies.
- *
- * You may not distribute this software, in whole or in part, as part of
- * any commercial product without the express consent of the authors.
- *
- * There is no warranty or other guarantee of fitness of this software
- * for any purpose. It is provided solely "as is".
- *
- * $Id: disc.h,v 4.0 91/07/17 14:37:31 kolb Exp Locker: kolb $
- *
- * $Log: disc.h,v $
- * Revision 4.0 91/07/17 14:37:31 kolb
- * Initial version.
- *
- */
- #ifndef DISC_H
- #define DISC_H
-
- #define GeomDiscCreate(r,p,n) GeomCreate((GeomRef)DiscCreate(r,p,n), \
- DiscMethods())
-
- typedef struct disc {
- Float radius, d; /* Radius squared, plane constant */
- Vector norm, pos; /* Normal, center */
- } Disc;
-
- extern Disc *DiscCreate();
- extern Methods *DiscMethods();
- extern int DiscIntersect(), DiscEnter(), DiscNormal();
- extern void DiscBounds(), DiscUV(), DiscStats();
- extern char *DiscName();
-
- #endif /* DISC_H */
-